rudistids

rudistids

[rü′dis·tədz]
(paleontology)
Fossil sessile bivalves that formed reefs during the Cretaceous in the southern Mediterranean or the Tethyan belt.
References in periodicals archive ?
1-- The El Viejo Platform, dated as late Campanian-Maastrichtian by abundant rudistids and larger benthic and planctonic foraminifera.